|
| 1 | +package main |
| 2 | + |
| 3 | +import ( |
| 4 | + "flag" |
| 5 | + "gopkg.in/src-d/go-git.v4" |
| 6 | + "gopkg.in/src-d/go-git.v4/plumbing/object" |
| 7 | + "gopkg.in/src-d/go-git.v4/plumbing/transport/http" |
| 8 | + "gopkg.in/yaml.v2" |
| 9 | + "io/ioutil" |
| 10 | + "log" |
| 11 | + "os" |
| 12 | + "path/filepath" |
| 13 | + "strings" |
| 14 | + "time" |
| 15 | +) |
| 16 | + |
| 17 | +var k8spatternsIoGitUrl = "https://github.com/k8spatterns/k8spatterns.io.git" |
| 18 | + |
| 19 | +var patternTarget string |
| 20 | +var patternSource string |
| 21 | + |
| 22 | +// Directory where examples are stored |
| 23 | +var websiteDir string |
| 24 | + |
| 25 | +type example struct { |
| 26 | + Path string `yaml:"path"` |
| 27 | +} |
| 28 | + |
| 29 | +type examplesList struct { |
| 30 | + Pattern string `yaml:"pattern"` |
| 31 | + Base string `yaml:"base"` |
| 32 | + Examples []example `yaml:"examples"` |
| 33 | +} |
| 34 | + |
| 35 | +func init() { |
| 36 | + flag.StringVar(&patternTarget, "pattern-target", "examples", "target directory in site directory where to create pattern resources") |
| 37 | + flag.StringVar(&patternSource, "pattern-source", "", "source directory holding the pattern resources") |
| 38 | +} |
| 39 | + |
| 40 | +func main() { |
| 41 | + |
| 42 | + parseOptions() |
| 43 | + |
| 44 | + // Creating working dir |
| 45 | + var err error |
| 46 | + websiteDir, err = ioutil.TempDir(".", "k8spatterns.io.") |
| 47 | + checkError(err) |
| 48 | + defer os.RemoveAll(websiteDir) |
| 49 | + |
| 50 | + // Clone website |
| 51 | + log.Printf("* Cloning %s to %s\n", k8spatternsIoGitUrl, websiteDir) |
| 52 | + repo, err := git.PlainClone(websiteDir, false, &git.CloneOptions{ |
| 53 | + URL: k8spatternsIoGitUrl, |
| 54 | + Depth: 1, |
| 55 | + }) |
| 56 | + if err != nil { |
| 57 | + log.Fatalf("can't clone"+k8spatternsIoGitUrl+": %v", err) |
| 58 | + } |
| 59 | + workTree, err := repo.Worktree() |
| 60 | + checkError(err) |
| 61 | + |
| 62 | + // Ensure target directory |
| 63 | + absTargetDir := websiteDir + "/" + patternTarget |
| 64 | + createDirIfNotExist(absTargetDir) |
| 65 | + |
| 66 | + log.Printf("* Copying resource files from %s to %s", patternSource, absTargetDir) |
| 67 | + // Copy over examples files |
| 68 | + err = filepath.Walk(patternSource, getProcessIndexYmlFunc(absTargetDir, workTree)) |
| 69 | + checkError(err) |
| 70 | + |
| 71 | + // Check Git status |
| 72 | + status, err := workTree.Status() |
| 73 | + checkError(err) |
| 74 | + if len(status) == 0 { |
| 75 | + log.Println("* No changes detected") |
| 76 | + return |
| 77 | + } |
| 78 | + |
| 79 | + log.Println() |
| 80 | + log.Println("* Changed/added files:") |
| 81 | + |
| 82 | + for file := range status { |
| 83 | + log.Printf(" + %s == %c", file, status[file].Staging) |
| 84 | + } |
| 85 | + |
| 86 | + // Git commit created files |
| 87 | + log.Printf("* Git committing changes") |
| 88 | + _, err = workTree.Commit("update_website: Update pattern resources files", &git.CommitOptions{ |
| 89 | + Author: &object.Signature{ |
| 90 | + Name: "Kubernetes Patterns - WebSite update", |
| 91 | + |
| 92 | + When: time.Now(), |
| 93 | + }, |
| 94 | + }) |
| 95 | + checkError(err) |
| 96 | + |
| 97 | + |
| 98 | + // Git push (if env is set) |
| 99 | + gitToken := os.Getenv("GITHUB_TOKEN") |
| 100 | + if gitToken == "" { |
| 101 | + log.Println("* No GITHUB_TOKEN evn set --> no git push") |
| 102 | + return |
| 103 | + } |
| 104 | + |
| 105 | + log.Printf("* Git push") |
| 106 | + err = repo.Push(&git.PushOptions{ |
| 107 | + Auth: &http.BasicAuth{ |
| 108 | + Username: "dummy", |
| 109 | + Password: gitToken, |
| 110 | + }, |
| 111 | + }) |
| 112 | + checkError(err) |
| 113 | +} |
| 114 | + |
| 115 | +func parseOptions() { |
| 116 | + flag.Parse() |
| 117 | + |
| 118 | + // Take parent dir by default |
| 119 | + if patternSource == "" { |
| 120 | + var err error |
| 121 | + patternSource, err = filepath.Abs("..") |
| 122 | + checkError(err) |
| 123 | + } |
| 124 | + |
| 125 | + if filepath.IsAbs(patternTarget) { |
| 126 | + log.Fatal("pattern-target needs to be a relative path") |
| 127 | + } |
| 128 | +} |
| 129 | + |
| 130 | +func getProcessIndexYmlFunc(targetDir string, worktree *git.Worktree) func(string, os.FileInfo, error) error { |
| 131 | + return func(path string, f os.FileInfo, e error) error { |
| 132 | + if f.IsDir() || f.Name() != "index.yml" { |
| 133 | + return nil |
| 134 | + } |
| 135 | + |
| 136 | + examples := examplesList{} |
| 137 | + data, err := ioutil.ReadFile(path) |
| 138 | + checkError(err) |
| 139 | + |
| 140 | + err = yaml.Unmarshal(data, &examples) |
| 141 | + checkError(err) |
| 142 | + |
| 143 | + patternDir := strings.Replace(examples.Pattern, " ", "", -1) |
| 144 | + fullPatternDir := targetDir + "/" + patternDir |
| 145 | + createDirIfNotExist(fullPatternDir) |
| 146 | + |
| 147 | + for _, example := range examples.Examples { |
| 148 | + dest := fullPatternDir + "/" + example.Path |
| 149 | + log.Printf(" - %s/%s", examples.Base, example.Path) |
| 150 | + copy(patternSource+"/"+examples.Base+"/"+example.Path, dest) |
| 151 | + _, err := worktree.Add(patternTarget + "/" + patternDir + "/" + example.Path) |
| 152 | + checkError(err) |
| 153 | + } |
| 154 | + return nil |
| 155 | + } |
| 156 | +} |
| 157 | + |
| 158 | +func createDirIfNotExist(dir string) { |
| 159 | + _, err := os.Stat(dir) |
| 160 | + if os.IsNotExist(err) { |
| 161 | + checkError(os.Mkdir(dir, 0755)) |
| 162 | + } |
| 163 | +} |
| 164 | + |
| 165 | +func checkError(err error) { |
| 166 | + if err != nil { |
| 167 | + log.Fatal(err) |
| 168 | + } |
| 169 | +} |
| 170 | + |
| 171 | +func copy(src string, dst string) { |
| 172 | + // Read all content of src to data |
| 173 | + data, err := ioutil.ReadFile(src) |
| 174 | + checkError(err) |
| 175 | + // Write data to dst |
| 176 | + err = ioutil.WriteFile(dst, data, 0644) |
| 177 | + checkError(err) |
| 178 | +} |
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